A rare earth that colours welder's goggles and, alloyed with neodymium, makes formidable magnets.
- Atomic number
- 59
- Atomic mass
- 140.908 u
- Phase
- Solid
- Electron configuration
- [Xe] 4f³ 6s²
- Melting point
- 1,208 K · 934.9 °C
- Boiling point
- 3,793 K · 3,519.9 °C
- Density
- 6.77 g/cm³
- Electronegativity
- 1.13
- Period / Group
- 6 / —
- Discovery year
- 1885